Synopsis

public abstract class XmlSchemaExternal : XmlSchemaObject {
// Protected Constructors
   protected XmlSchemaExternal( );  
// Public Instance Properties
   public string Id{set; get; } 
   public XmlSchema Schema{set; get; } 
   public string SchemaLocation{set; get; } 
   public XmlAttribute[ ] UnhandledAttributes{set; get; } 
}

This is the abstract type from which the xs:import, xs:include, and xs:redefine schema elements are derived. Its SchemaLocation property is used to access the schemaLocation attribute.